Home / 212,321,405.32-318,334,043.74-94,081,857.55

Finding the Fourth Proportional to 212,321,405.32, 318,334,043.74 and 94,081,857.55

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Solution

The fourth proportional to 212,321,405.32, 318,334,043.74 and 94,081,857.55 is: 141,057,177.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,321,405.32 : 318,334,043.74 = 94,081,857.55 : x
  2. Step 2: Convert to fraction form
    212,321,405.32/318,334,043.74 = 94,081,857.55/x
  3. Step 3: Cross multiply
    212,321,405.32x = 318,334,043.74 × 94,081,857.55
  4. Step 4: Simplify right side
    212,321,405.32x = 29,949,458,156,462,148
  5. Step 5: Solve for x
    x = 29,949,458,156,462,148/212,321,405.32
  6. Step 6: Final answer
    x = 141,057,177.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.